Explore the evolution of understanding across multiple levels in this thought-provoking 29-minute talk by philosopher Dan Dennett at the Santa Fe Institute. Delve into Dennett's insights on how comprehension and knowledge have developed over time, examining various perspectives and domains. Gain a deeper appreciation for the complexities of human understanding and its progression through history. Discover how different levels of comprehension interact and influence each other, shaping our collective knowledge and worldview. Engage with Dennett's unique philosophical approach as he unravels the intricacies of cognitive evolution and its implications for society, science, and culture.